ATE359563T1 - Verfahren und system zur reversiblen markierung eines textdokuments mit einem muster der zusätzlichen leerzeichen für beglaubigung - Google Patents

Verfahren und system zur reversiblen markierung eines textdokuments mit einem muster der zusätzlichen leerzeichen für beglaubigung

Info

Publication number
ATE359563T1
ATE359563T1 AT01480017T AT01480017T ATE359563T1 AT E359563 T1 ATE359563 T1 AT E359563T1 AT 01480017 T AT01480017 T AT 01480017T AT 01480017 T AT01480017 T AT 01480017T AT E359563 T1 ATE359563 T1 AT E359563T1
Authority
AT
Austria
Prior art keywords
text document
inter
word
blank characters
text
Prior art date
Application number
AT01480017T
Other languages
English (en)
Inventor
Carro Fernando Incertis
Stephen Matyas
Original Assignee
Ibm
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ibm filed Critical Ibm
Application granted granted Critical
Publication of ATE359563T1 publication Critical patent/ATE359563T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F40/00—Handling natural language data
    • G06F40/10—Text processing
    • G06F40/12—Use of codes for handling textual entities
    • G06F40/163—Handling of whitespace
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F40/00—Handling natural language data
    • G06F40/10—Text processing
    • G06F40/103—Formatting, i.e. changing of presentation of documents
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F40/00—Handling natural language data
    • G06F40/10—Text processing
    • G06F40/12—Use of codes for handling textual entities
    • G06F40/123—Storage facilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H04N1/32203—Spatial or amplitude domain methods
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H04N1/32203—Spatial or amplitude domain methods
    • H04N1/32219—Spatial or amplitude domain methods involving changing the position of selected pixels, e.g. word shifting, or involving modulating the size of image components, e.g. of characters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H04N1/32347—Reversible embedding, i.e. lossless, invertible, erasable, removable or distorsion-free embedding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3225—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document
    • H04N2201/3233—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document of authentication information, e.g. digital signature, watermark
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3269—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of machine readable codes or marks, e.g. bar codes or glyphs
    • H04N2201/327—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of machine readable codes or marks, e.g. bar codes or glyphs which are undetectable to the naked eye, e.g. embedded codes
AT01480017T 2000-03-20 2001-02-27 Verfahren und system zur reversiblen markierung eines textdokuments mit einem muster der zusätzlichen leerzeichen für beglaubigung ATE359563T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00480030 2000-03-20

Publications (1)

Publication Number Publication Date
ATE359563T1 true ATE359563T1 (de) 2007-05-15

Family

ID=8174225

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01480017T ATE359563T1 (de) 2000-03-20 2001-02-27 Verfahren und system zur reversiblen markierung eines textdokuments mit einem muster der zusätzlichen leerzeichen für beglaubigung

Country Status (5)

Country Link
US (1) US6934845B2 (de)
JP (1) JP2001325152A (de)
AT (1) ATE359563T1 (de)
DE (1) DE60127747T2 (de)
SG (1) SG100638A1 (de)

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US9630443B2 (en) 1995-07-27 2017-04-25 Digimarc Corporation Printer driver separately applying watermark and information
US7644282B2 (en) 1998-05-28 2010-01-05 Verance Corporation Pre-processed information embedding system
US6737957B1 (en) 2000-02-16 2004-05-18 Verance Corporation Remote control signaling using audio watermarks
AU2002214613A1 (en) * 2000-11-08 2002-05-21 Digimarc Corporation Content authentication and recovery using digital watermarks
KR100440783B1 (ko) * 2001-09-10 2004-07-21 (주)아이디스 멀티미디어 데이터의 암호화 방법
US7006662B2 (en) * 2001-12-13 2006-02-28 Digimarc Corporation Reversible watermarking using expansion, rate control and iterative embedding
AU2002357259A1 (en) * 2001-12-13 2003-07-09 Digimarc Corporation Reversible watermarking
US8059815B2 (en) * 2001-12-13 2011-11-15 Digimarc Corporation Transforming data files into logical storage units for auxiliary data through reversible watermarks
US7187780B2 (en) * 2001-12-13 2007-03-06 Digimarc Corporation Image processing methods using reversible watermarking
US7515730B2 (en) * 2001-12-13 2009-04-07 Digimarc Corporation Progressive image quality control using watermarking
US6899475B2 (en) * 2002-01-30 2005-05-31 Digimarc Corporation Watermarking a page description language file
JP2004023565A (ja) * 2002-06-18 2004-01-22 Canon Inc 電子透かし埋め込み装置、電子透かし抽出装置、及びそれらの方法
US20040001606A1 (en) * 2002-06-28 2004-01-01 Levy Kenneth L. Watermark fonts
CA2499967A1 (en) 2002-10-15 2004-04-29 Verance Corporation Media monitoring, management and information system
US8014557B2 (en) 2003-06-23 2011-09-06 Digimarc Corporation Watermarking electronic text documents
US20060239501A1 (en) 2005-04-26 2006-10-26 Verance Corporation Security enhancements of digital watermarks for multi-media content
US7430756B2 (en) * 2004-12-22 2008-09-30 Jsm Technologies, Llc System and method for generating and authenticating a computer password
US8020004B2 (en) 2005-07-01 2011-09-13 Verance Corporation Forensic marking using a common customization function
US8781967B2 (en) 2005-07-07 2014-07-15 Verance Corporation Watermarking in an encrypted domain
US9607131B2 (en) 2010-09-16 2017-03-28 Verance Corporation Secure and efficient content screening in a networked environment
US8923548B2 (en) 2011-11-03 2014-12-30 Verance Corporation Extraction of embedded watermarks from a host content using a plurality of tentative watermarks
US9323902B2 (en) 2011-12-13 2016-04-26 Verance Corporation Conditional access using embedded watermarks
US9571606B2 (en) 2012-08-31 2017-02-14 Verance Corporation Social media viewing system
US9106964B2 (en) 2012-09-13 2015-08-11 Verance Corporation Enhanced content distribution using advertisements
US8869222B2 (en) 2012-09-13 2014-10-21 Verance Corporation Second screen content
WO2014153199A1 (en) 2013-03-14 2014-09-25 Verance Corporation Transactional video marking system
US9251549B2 (en) 2013-07-23 2016-02-02 Verance Corporation Watermark extractor enhancements based on payload ranking
US9208334B2 (en) 2013-10-25 2015-12-08 Verance Corporation Content management using multiple abstraction layers
WO2015138798A1 (en) 2014-03-13 2015-09-17 Verance Corporation Interactive content acquisition using embedded codes
US10846679B2 (en) * 2018-01-16 2020-11-24 Capital One Services, Llc Peer-to-peer payment systems and methods

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5467447A (en) * 1990-07-24 1995-11-14 Vogel; Peter S. Document marking system employing context-sensitive embedded marking codes
JP3542678B2 (ja) * 1995-12-28 2004-07-14 沖電気工業株式会社 電子文書の単語間の空白部分の長さを利用した符号化および復号化方法、電子文書への署名情報の埋め込み方法、機密文書の暗号化方法
TW396704B (en) * 1997-08-07 2000-07-01 Hitachi Ltd Cipher conversion method, cipher conversion apparatus, decoding method, decoding apparatus, and data communication system

Also Published As

Publication number Publication date
JP2001325152A (ja) 2001-11-22
DE60127747D1 (de) 2007-05-24
SG100638A1 (en) 2003-12-26
DE60127747T2 (de) 2008-01-24
US6934845B2 (en) 2005-08-23
US20010054146A1 (en) 2001-12-20

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